Question # 1

Hook's law hodl good up to

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Plastic

Elastic

Yield limit

Proportinal unit

A wire is stretched by a weight w. If the diameter of the wire is reduce dto half of its previous value, the extension will become

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Four times

Double

One fourth

One half

Pressure applied to an enclosed fluid is.

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Increases and applied to every part of the fluid

Transmitted unchanged to every portion of the fluid and walls of containing vessel

Increased and transmitted to the walls of container

Diminshed and transmitted to walls of cntainer

Pressure of 1 mm Hg is equal to

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1 atm

133.29 atm

1.316 x 10^-3 atm

1.31x 10⁵atm

A mass of 2 kg is hung by spring which displaces it through 5 cm. the spring constnat.

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4000 N/m

400 N/m

40 N/m

4 N/m

The pressrue at any point in a liquid is proportional to.

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Density of liquid

Depth of the point below the surface of the liquid

Acceleration due to gravity

All of the above

Materials which does not regain its original hape after remvoal of the load producing deformationare termed as.

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Rigid materials

Hook's materials

Plastic materials

Elastic materials

When a spring in compressed, what form of energy does it possess.

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Heat

Internal

Potential

Kinetic

The most elastic material of the following is.

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Rubber

Steel

Wood

Glass

Pressure of liquid in a container increase with

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Depth

Volume

Mass

Base

In a statinary fluid, the local pressur eof the fluid vary.

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Neither with depth nor along horizontal direction

With depth only

Both with depth and long horizontal direction

Horizontally only

SI unti of pressure is.

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Newton

Pascal

Infinite

Zero

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